Vulnerability · Published May 29, 2025 · Assigned by snyk
CVE-2025-5273
Medium 6.5
In plain English
A medium-severity security flaw in mcp-markdownify-server. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 65.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Versions of the package mcp-markdownify-server before 1.0.0 are vulnerable to Files or Directories Accessible to External Parties via the get-markdown-file tool. An attacker can craft a prompt that, once accessed by the MCP host, will allow it to read arbitrary files from the host running the server.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | mcp-markdownify-server | no fix listed | GHSA-22v8-p7h2-rj7p |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | mcp-markdownify-server | 0 – before 1.0.0 |
Weakness: CWE-552 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P